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We now have the rear bearing in stock for most of the YS four stroke engines! It took some time to find a reliable source for these but we managed. Below is a partial list of the engines served by this bearing. We have kits for all of these engines listed now.YS 120 AC, FZ, SF, SC, and NCYS 140 DZ, FC and LYS 170 DZYS 175 FZ, DZYS 185 DZ

Hi folks. The number one question I get from people installing our bearings into model aircraft engines has to do with shields and seals. Most manufacturers remove the inner shield from the front bearing before installation. There is absolutely no reason to do this! A little engine anatomy will show why. Nearly all glow style engines use a very close fit between the crankshaft and crankcase ahead of the carb to seal the crankcase. A small amount of oil is all that i
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Greetings everyone! Some of you will remember me as the previous owner of RCBearings. Edwin Fowler, the current owner, has taken a position with a quickly growing company and is not able to give RCBearings the attention it deserves so I have agreed to come back as the day to day manager. For the time being, I will only be able to respond to email inquiries.Paul McIntoshGeneral Manager

We are very sorry to announce that the USPS has dramatically increased the cost of small packet shipping to our international customers. The lowest rate used to be around $7.00. It is now nearly $13.00. We have no choice but to raise our shipping charge to match the increases from the USPS. We hope that you will understand and continue to appreciate our high quality at low prices.Paul McIntoshRCBearings.